Inventor · disambiguated record
James Macduff
Also filed as: MACDUFF JAMES · MACDUFF JAMES L
10 granted patents·4 pending applications·183 citations·filing 1984–2017
90Inventor score
Top patents by PatentIndex Score
14 records- 0195US8555926B2Supply manifold for hydronic systemMACDUFF MALCOLM·Filed 2010·Granted Oct 15, 2013·30 cites·13 claims
- 0290US9803876B2Supply manifold with rotatable sliderMACDUFF MALCOLM·Filed 2015·Granted Oct 31, 2017·6 cites·15 claims
- 0388US6523862B1Tubing connector with integrated crimp ring and reaming tool for use therewithMACDUFF JAMES·Filed 2001·Granted Feb 25, 2003·47 cites·6 claims
- 0480US7364609B2Method and kit for use with standard pipe couplings to construct a de-aeratorMACDUFF JAMES·Filed 2005·Granted Apr 29, 2008·9 cites·18 claims
- 0577US6893485B2Method and kit for use with standard pipe couplings to construct a de-aeratorSWABEY OGILVY RENAULT·Filed 2002·Granted May 17, 2005·25 cites·20 claims
- 0674US7913958B2Twist clip for attaching a fin to a conduit of a hydronic heating systemMACDUFF JAMES·Filed 2007·Granted Mar 29, 2011·7 cites·11 claims
- 0770US6095571ATubing connectorFiled 1998·Granted Aug 1, 2000·30 cites·13 claims
- 0868US4591368ABuilt-in vacuum systemMACDUFF JAMES L·Filed 1984·Granted May 27, 1986·29 cites·13 claims
- 0962US10408468B2Supply manifold with rotatable sliderMACDUFF MALCOLM·Filed 2017·Granted Sep 10, 2019·0 cites·18 claims
- 1059US2009052876A1Fins For An Electric Cable In An Electric Radiant Heating SystemMACDUFFCO MFG INC·Filed 2008·Application pending·0 cites
- 1152US2007095931A1Hydronic heating system, hanger for tubing and method of using same to install the hydronic heating systemMACDUFF JAMES·Filed 2005·Application pending·0 cites
- 1250US10845063B2Hydronic supply manifoldMACDUFF MALCOLM·Filed 2017·Granted Nov 24, 2020·0 cites·15 claims
- 1344US2007090231A1Multi-purpose hanger for pipe, tubing, conduit or cable and method of using sameMACDUFF JAMES·Filed 2005·Application pending·0 cites
- 1435US2004179907A1Reaming tool for flexible tubingFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →